Page 3
637-8808 Rev. J
2. Slide the seat slider off of the seat post.
Fig. 2
3. Use a ratchet wrench with a 11mm deep
socket to remove the 1/4” nylock nut and
M6 flat washer, then remove the adjustment
lever.
4. Install the new lever using the same hardware
from Step 3.
Notice: If a torque wrench is not available,
please skip to Step 7.
Fig. 3
5. Install 300-0245 “BLOCK, GAUGE, TORQUE,
SEAT, UGC” onto the seat slider so the lever
adjustment nut can be accessed through the
hole int he top of the torque block.
Notice: Step 5 is ONLY valid for bikes PRIOR
to serial number GC7470L22091069 (Schwinn XA),
GC7520L21491157 (Schwinn ZA), GC7510L2213127
(Schwinn ZS), GC7480L22141001 (Schwinn XS).
Fig. 4
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